Home / 1,219,231.44-1,683,361.26-761,043.78

Finding the Fourth Proportional to 1,219,231.44, 1,683,361.26 and 761,043.78

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Solution

The fourth proportional to 1,219,231.44, 1,683,361.26 and 761,043.78 is: 1,050,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,231.44 : 1,683,361.26 = 761,043.78 : x
  2. Step 2: Convert to fraction form
    1,219,231.44/1,683,361.26 = 761,043.78/x
  3. Step 3: Cross multiply
    1,219,231.44x = 1,683,361.26 × 761,043.78
  4. Step 4: Simplify right side
    1,219,231.44x = 1,281,111,616,415.96
  5. Step 5: Solve for x
    x = 1,281,111,616,415.96/1,219,231.44
  6. Step 6: Final answer
    x = 1,050,753.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.